I see two problems: 1 - You are running as root. This do not cause the error message but it is way too dangerous. Don't compile, and test as root. 2 - The correct way of invoking checkpatch.pl is from the top-level dir. of a kernel tree. Example: cd /path/to/linux/source ./scripts/checkpatch.pl -f /path/to/task_01.c On Sun, Jun 8, 2014 at 11:29 AM, lx <lxlenovostar@xxxxxxxxx> wrote: > hi all: > I used the script of checkpatch.pl, but some error messages appeared. > ########################################## > [root@localhost kernel_test]# perl checkpatch.pl -f task_01.c > Nested quantifiers in regex; marked by <-- HERE in m/(\((?:[^\(\)]++ <-- > HERE |(?-1))*\))/ at checkpatch.pl line 444. > ########################################## > This is something with checkpatch.pl ? How to fix it. > > Thank you. > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies -- Peter _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
